<template>
  <div id="app">
    <router-view></router-view>
  </div>
</template>

<script>
export default {
  name: 'App',
}
</script>
<style>
.s1 {
  margin-left: 100px;
}

.selected {
  background-color: aqua;
}

body {
  margin: 0;
}
</style>